package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;


@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
     @Autowired
    private CategoryService categoryService;



     //新增
     @PostMapping
    public R<String> save(@RequestBody Category category){
         log.info("category:{}",category);
         categoryService.save(category);
         return R.success("新增分类成功!");
     }

    //分页查询
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize){
         //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件   根据sort 进行排序
        queryWrapper.orderByAsc(Category::getSort);

        //分页查询
        categoryService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }


    //根据id删除
    @DeleteMapping
    public R<String> deleteById(Long id){
         log.info("删除分类,id为:{}",id);
         categoryService.remove(id);
        return R.success("分类信息删除成功");
    }



    //根据id 修改分类信息
    @PutMapping
    public R<String> update(@RequestBody Category category){
         log.info("修改分类信息:{}",category);
         categoryService.updateById(category);
         return R.success("修改分类信息成功");

    }

    //根据条件查询分类数据
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
         //条件构造器
        LambdaQueryWrapper<Category> lqw =new LambdaQueryWrapper<>();
        //添加条件
        lqw.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list =categoryService.list(lqw);
        return R.success(list);

    }



}
